/*package com.yuqian.JavaSe.excel;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.ClientAnchor;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.CreationHelper;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Picture;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.util.TypeUtils;
import com.yyjz.icop.excel.annotation.ExcelField;
import com.yyjz.icop.excel.utils.ReferObjectUtils;
import com.yyjz.icop.excel.utils.Reflections;

*//**
 * 导出Excel文件（导出“XLSX”格式，支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion）
 * 
 * @author Zhouyp
 * @version 2017-06-01
 *//*
public class ExportExcel {

	private static Logger log = LoggerFactory.getLogger(ExportExcel.class);

	*//**
	 * 工作薄对象
	 *//*
	private SXSSFWorkbook wb;

	*//**
	 * 工作表对象
	 *//*
	private Sheet sheet;

	*//**
	 * 样式列表
	 *//*
	private Map<String, CellStyle> styles;

	*//**
	 * 当前行号
	 *//*
	private int rownum;

	*//**
	 * 注解列表（Object[]{ ExcelField, Field/Method }）
	 *//*
	List<Object[]> annotationList = new ArrayList<>();

	*//**
	 * 需要翻译字段,List<Object[]>存储注解字段
	 *//*
	List<Object[]> refFiledList = new ArrayList<>();

	*//**
	 * 构造函数
	 * 
	 * @param title
	 *            表格标题，传“空值”，表示无标题
	 * @param cls
	 *            实体对象，通过annotation.ExportField获取标题
	 *//*
	public ExportExcel(String title, Class<?> cls) {
		this(title, cls, 1,null);
	}

	*//**
	 * 构造函数
	 * 
	 * @param title
	 *            表格标题，传“空值”，表示无标题
	 * @param cls
	 *            实体对象，通过annotation.ExportField获取标题
	 * @param type
	 *            导出类型（1:导出数据；2：导出模板）
	 * @param groups
	 *            导入分组
	 *//*
	public ExportExcel(String title, Class<?> cls, int type, String group) {
		// Get annotation field
		List<String> headerList = initClass(cls, type, group);
		initialize(title, headerList);
	}

	private List<String> initClass(Class<?> cls, int type, String group) {
		Field[] fs = cls.getDeclaredFields();
		for (Field f : fs) {
			ExcelField ef = f.getAnnotation(ExcelField.class);
			if (ef != null && (ef.type() == 0 || ef.type() == type)) {
				String[] groups=ef.groups();
				if(group!=null && groups!=null && groups.length>0){
					for(String g1 : groups){
						if(g1.indexOf("=")>-1){
							String[] g1Arr=g1.split("=");
							String g2= g1Arr[0];
							int sort=TypeUtils.castToInt(g1Arr[1]);
							if(group.equals(g2)){
								annotationList.add(new Object[] { ef, f,sort});
							}
						}else{
							if(group.equals(g1)){
								annotationList.add(new Object[] { ef, f,ef.sort()});
							}
						}
					}
				} else {
					annotationList.add(new Object[] { ef, f,ef.sort() });
				}
			}
		}
		// Get annotation method
		Method[] ms = cls.getDeclaredMethods();
		for (Method m : ms) {
			ExcelField ef = m.getAnnotation(ExcelField.class);
			if (ef != null && (ef.type() == 0 || ef.type() == type)) {
				String[] groups=ef.groups();
				if(groups!=null && groups.length>0){
					for(String g1 : groups){
						if(g1.indexOf("=")>-1){
							String[] g1Arr=g1.split("=");
							String g2= g1Arr[0];
							int sort=TypeUtils.castToInt(g1Arr[1]);
							if(group.equals(g2)){
								annotationList.add(new Object[] { ef, m,sort});
							}
						}else{
							if(group.equals(g1)){
								annotationList.add(new Object[] { ef, m,ef.sort()});
							}
						}
					}
				} else {
					annotationList.add(new Object[] { ef,m,ef.sort() });
				}
			}
		}
		// Field sorting
		Collections.sort(annotationList, new Comparator<Object[]>() {
			public int compare(Object[] o1, Object[] o2) {
				return TypeUtils.castToInt(o1[2]).compareTo(TypeUtils.castToInt(o2[2]));
			};
		});
		// Initialize
		List<String> headerList = new ArrayList<>();
		for (Object[] os : annotationList) {
			String t = ((ExcelField) os[0]).title();
			// 如果是导出，则去掉注释
			if (type == 1) {
				String[] ss = StringUtils.split(t, "**", 2);
				if (ss.length == 2) {
					t = ss[0];
				}
			}
			headerList.add(t);

			String refFiled = ((ExcelField) os[0]).referCode();
			if (StringUtils.isNotBlank(refFiled)) {
				refFiledList.add(os);
			}
		}
		return headerList;
	}

	*//**
	 * 构造函数
	 * 
	 * @param title
	 *            表格标题，传“空值”，表示无标题
	 * @param headers
	 *            表头数组
	 *//*
	public ExportExcel(String title, String[] headers) {
		initialize(title, Arrays.asList(headers));
	}

	*//**
	 * 构造函数
	 * 
	 * @param title
	 *            表格标题，传“空值”，表示无标题
	 * @param headerList
	 *            表头列表
	 *//*
	public ExportExcel(String title, List<String> headerList) {
		initialize(title, headerList);
	}

	*//**
	 * 构造函数
	 * 
	 * @param fileName
	 *            模板文件路径
	 * @param headerNum
	 *            头占用行数
	 * @param sheetIndex
	 *            导出sheet顺序
	 *//*

	public ExportExcel(String templeteFileName, int headerNum, int sheetIndex, Class<?> cls) {
		if (StringUtils.isBlank(templeteFileName)) {
			throw new RuntimeException("导入文档为空!");
		}
		InputStream is;
		try {
			is = new FileInputStream(templeteFileName);

			if (templeteFileName.toLowerCase().endsWith("xlsx")) {
				this.wb = new SXSSFWorkbook(new XSSFWorkbook(is));
			} else {
				throw new RuntimeException("文档格式不正确!");
			}

			if (this.wb.getNumberOfSheets() < sheetIndex) {
				throw new RuntimeException("文档中没有工作表!");
			}
			this.sheet = wb.getSheetAt(sheetIndex);
			this.rownum = headerNum;

			this.styles = createStyles(wb);
			
			this.initClass(cls, 1,null);
			log.debug("Read Templet success.");
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}

	*//**
	 * 初始化函数
	 * 
	 * @param title
	 *            表格标题，传“空值”，表示无标题
	 * @param headerList
	 *            表头列表
	 *//*
	private void initialize(String title, List<String> headerList) {
		this.wb = new SXSSFWorkbook(500);
		this.sheet = wb.createSheet("Export");
		this.styles = createStyles(wb);
		// Create title
		if (StringUtils.isNotBlank(title)) {
			Row titleRow = sheet.createRow(rownum++);
			titleRow.setHeightInPoints(30);
			Cell titleCell = titleRow.createCell(0);
			titleCell.setCellStyle(styles.get("title"));
			titleCell.setCellValue(title);
			sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(),
					headerList.size() - 1));
		}
		// Create header
		if (headerList == null) {
			throw new RuntimeException("headerList not null!");
		}
		Row headerRow = sheet.createRow(rownum++);
		headerRow.setHeightInPoints(16);
		for (int i = 0; i < headerList.size(); i++) {
			Cell cell = headerRow.createCell(i);
			cell.setCellStyle(styles.get("header"));
			String[] ss = StringUtils.split(headerList.get(i), "**", 2);
			if (ss.length == 2) {
				cell.setCellValue(ss[0]);
				Comment comment = this.sheet.createDrawingPatriarch().createCellComment(new XSSFClientAnchor(0, 0, 0, 0,
						cell.getColumnIndex(), cell.getRowIndex(), cell.getColumnIndex() + 2, cell.getRowIndex() + 3));
				comment.setString(new XSSFRichTextString(ss[1]));

				cell.setCellComment(comment);
			} else {
				cell.setCellValue(headerList.get(i));
			}
			// sheet.autoSizeColumn(i);
		}
		for (int i = 0; i < headerList.size(); i++) {
			int colWidth = sheet.getColumnWidth(i) * 2;
			sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);
		}
		log.debug("Initialize success.");
	}

	*//**
	 * 创建表格样式
	 * 
	 * @param wb
	 *            工作薄对象
	 * @return 样式列表
	 *//*
	private Map<String, CellStyle> createStyles(Workbook wb) {
		Map<String, CellStyle> styles = new HashMap<String, CellStyle>();

		CellStyle style = wb.createCellStyle();
		style.setAlignment(HorizontalAlignment.CENTER);
		style.setVerticalAlignment(VerticalAlignment.CENTER);
		Font titleFont = wb.createFont();
		titleFont.setFontName("Arial");
		titleFont.setFontHeightInPoints((short) 16);
		titleFont.setBold(true);
		style.setFont(titleFont);
		styles.put("title", style);

		style = wb.createCellStyle();
		style.setVerticalAlignment(VerticalAlignment.CENTER);

		style.setBorderRight(BorderStyle.THIN);
		style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderLeft(BorderStyle.THIN);
		style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderTop(BorderStyle.THIN);
		style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderBottom(BorderStyle.THIN);
		style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		Font dataFont = wb.createFont();
		dataFont.setFontName("Arial");
		dataFont.setFontHeightInPoints((short) 10);
		style.setFont(dataFont);
		styles.put("data", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.LEFT);
		styles.put("data1", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.CENTER);
		styles.put("data2", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.RIGHT);
		styles.put("data3", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		// style.setWrapText(true);
		style.setAlignment(HorizontalAlignment.CENTER);
		style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
		Font headerFont = wb.createFont();
		headerFont.setFontName("Arial");
		headerFont.setFontHeightInPoints((short) 10);
		headerFont.setBold(true);
		headerFont.setColor(IndexedColors.WHITE.getIndex());
		style.setFont(headerFont);
		styles.put("header", style);

		return styles;
	}

	*//**
	 * 添加一行
	 * 
	 * @return 行对象
	 *//*
	public Row addRow() {
		return sheet.createRow(rownum++);
	}

	*//**
	 * 添加一个单元格
	 * 
	 * @param row
	 *            添加的行
	 * @param column
	 *            添加列号
	 * @param val
	 *            添加值
	 * @return 单元格对象
	 *//*
	public Cell addCell(Row row, int column, Object val) {
		return this.addCell(row, column, val, 0, "");
	}

	*//**
	 * 添加一个单元格
	 * 
	 * @param row
	 *            添加的行
	 * @param column
	 *            添加列号
	 * @param val
	 *            添加值
	 * @param align
	 *            对齐方式（1：靠左；2：居中；3：靠右）
	 * @return 单元格对象
	 *//*
	public Cell addCell(Row row, int column, Object val, int align, String cellFormatString) {
		Cell cell = row.createCell(column);

		try {
			if (val == null) {
				val="";
				cell.setCellValue("");
			} else {
				if (val instanceof String) {
					cell.setCellValue((String) val);
				} else if (val instanceof Integer) {
					cell.setCellValue((Integer) val);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "0" : cellFormatString;
				} else if (val instanceof Long) {
					cell.setCellValue((Long) val);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "0" : cellFormatString;
				} else if (val instanceof Double) {
					cell.setCellValue((Double) val);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "0.00" : cellFormatString;
				} else if (val instanceof Float) {
					cell.setCellValue((Float) val);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "0.00" : cellFormatString;
				} else if (val instanceof Date) {
					cell.setCellValue((Date) val);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "yyyy-MM-dd HH:mm" : cellFormatString;
				} else if (val instanceof BigDecimal) {
					double doubleVal = ((BigDecimal) val).doubleValue();
					cell.setCellValue(doubleVal);
					cellFormatString = StringUtils.isBlank(cellFormatString) ? "0.00" : cellFormatString;
				}

				else {
					cell.setCellValue((String) Class
							.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(),
									"fieldtype." + val.getClass().getSimpleName() + "Type"))
							.getMethod("setValue", Object.class).invoke(null, val));
				}

			}
			if (val != null) {
				CellStyle style = styles.get("data_column_" + column);
				if (style == null) {
					style = wb.createCellStyle();
					style.cloneStyleFrom(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
					style.setDataFormat(wb.createDataFormat().getFormat(cellFormatString));
					styles.put("data_column_" + column, style);
				}
				cell.setCellStyle(style);
			}
		} catch (Exception ex) {
			log.info("Set cell value [" + row.getRowNum() + "," + column + "] error: " + ex.toString());
			if (val == null)
				val = "";
			cell.setCellValue(val.toString());
		}
		return cell;
	}

	*//**
	 * 添加数据（通过annotation.ExportField添加数据）
	 * 
	 * @return list 数据列表
	 *//*
	public <E> ExportExcel setDataList(List<E> list) {
		// 先获取需要翻译的字典数据
		if (list == null) {
			list = new ArrayList<>();
		}

		// 当注解中含有需要翻译字段时，先将列表中所有数据取出去从后，统一调用Ref接口获取翻译Map，然后将名称set回对应字段
		if (refFiledList.size() > 0) {
			for (Object[] os : refFiledList) {
				Map<String, String> refMap = new HashMap<>();
				Map<String, String> refObject = new HashMap<>();
				// 循环拿到方法上原始值
				String keyCode = "";
				String fieldName = "";
				for (E e : list) {
					Object val = null;
					if (os[1] instanceof Field) {
						keyCode = ((Field) os[1]).getName();
						fieldName = keyCode;
						val = Reflections.invokeGetter(e, keyCode);
					} else if (os[1] instanceof Method) {
						keyCode = ((Method) os[1]).getName();
						fieldName = this.toLowerCaseFirstOne(keyCode.replace("get", "").replace("set", ""));
						val = Reflections.invokeMethod(e, keyCode, new Class[] {}, new Object[] {});
					}
					if (val != null && StringUtils.isNotBlank(val.toString())) {
						refMap.put(val.toString(), val.toString());
					}
				}
				// 获取翻译数据
				refObject = ReferObjectUtils.getRefMap(new ArrayList<String>(refMap.keySet()),
						((ExcelField) os[0]).referCode());
				// refObjectMaps.put(keyCode, refObject);

				// 将翻译后的数据设置回原字段
				for (E e : list) {
					Reflections.invokeSetter(e, fieldName, refObject.get(Reflections.invokeGetter(e, fieldName)));
				}
			}

		}

		for (E e : list) {
			int colunm = 0;
			Row row = this.addRow();
			StringBuilder sb = new StringBuilder();
			for (Object[] os : annotationList) {
				ExcelField ef = (ExcelField) os[0];
				Object val = null;
				// Get entity value
				try {
					if (StringUtils.isNotBlank(ef.value())) {
						val = Reflections.invokeGetter(e, ef.value());
					} else {
						if (os[1] instanceof Field) {
							val = Reflections.invokeGetter(e, ((Field) os[1]).getName());
						} else if (os[1] instanceof Method) {
							val = Reflections.invokeMethod(e, ((Method) os[1]).getName(), new Class[] {},
									new Object[] {});
						}
					}

				} catch (Exception ex) {
					// Failure to ignore
					log.info(ex.toString());
					val = "";
				}
				this.addCell(row, colunm++, val, ef.align(), ef.format());
				sb.append(val + ", ");
			}
			// log.debug("Write success: [" + row.getRowNum() + "] " +
			// sb.toString());
		}
		return this;
	}

	*//**
	 * 输出数据流
	 * 
	 * @param os
	 *            输出数据流
	 *//*
	public ExportExcel write(OutputStream os) throws IOException {
		wb.write(os);
		return this;
	}

	*//**
	 * 输出到客户端
	 * 
	 * @param fileName
	 *            输出文件名
	 *//*
	public ExportExcel write(HttpServletResponse response, String fileName) throws IOException {
		if (StringUtils.isBlank(fileName)) {
			fileName = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + ".xlsx";
		}
		response.setContentType("application/octet-stream; charset=utf-8");
		response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName, "UTF-8"));
		write(response.getOutputStream());
		return this;
	}

	*//**
	 * 输出到客户端
	 * 
	 * @param fileName
	 *            输出文件名
	 *//*
	public OutputStream outPut(HttpServletResponse response, String fileName) throws IOException {

		if (StringUtils.isBlank(fileName)) {
			fileName = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")) + ".xlsx";
		}
		response.setContentType("application/octet-stream; charset=utf-8");
		response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(fileName, "UTF-8"));
		OutputStream out = response.getOutputStream();
		wb.write(out);
		close(out, wb);
		this.dispose();
		return out;

	}

	*//**
	 * 关闭流
	 *
	 * @param out
	 *            输出流
	 * @param wb
	 *            {@link Workbook}
	 *//*
	private static void close(OutputStream out, Workbook wb) {
		try {
			wb.close();
			out.flush();
			out.close();
		} catch (IOException e) {
			throw new RuntimeException("流关闭异常", e);
		}
	}

	*//**
	 * 输出到文件
	 * 
	 * @param fileName
	 *            输出文件名
	 *//*
	public ExportExcel writeFile(String name) throws FileNotFoundException, IOException {
		FileOutputStream os = new FileOutputStream(name);
		this.write(os);
		return this;
	}

	*//**
	 * 清理临时文件
	 *//*
	public ExportExcel dispose() {
		wb.dispose();
		return this;
	}

	*//**
	 * 添加图片
	 * 
	 * @param wb
	 *            workBook对象
	 * @param sheet
	 *            sheet对象
	 * @param picFileName
	 *            图片文件名称（全路径）
	 * @param picType
	 *            图片类型
	 * @param row
	 *            图片所在的行
	 * @param col
	 *            图片所在的列
	 *//*
	public void addPicture(Workbook wb, Sheet sheet, String picFileName, int picType, int row, int col) {
		InputStream is = null;
		try {
			// 读取图片
			is = new FileInputStream(picFileName);
			byte[] bytes = IOUtils.toByteArray(is);
			int pictureIdx = wb.addPicture(bytes, picType);
			is.close();
			// 写图片
			CreationHelper helper = wb.getCreationHelper();
			Drawing drawing = sheet.createDrawingPatriarch();
			ClientAnchor anchor = helper.createClientAnchor();
			// 设置图片的位置
			anchor.setCol1(col);
			anchor.setRow1(row);
			Picture pict = drawing.createPicture(anchor, pictureIdx);

			pict.resize();
		} catch (Exception e) {
			try {
				if (is != null) {
					is.close();
				}
			} catch (IOException e1) {
				e1.printStackTrace();
			}
			e.printStackTrace();
		}
	}

	// 首字母转小写
	public String toLowerCaseFirstOne(String s) {
		if (Character.isLowerCase(s.charAt(0)))
			return s;
		else
			return (new StringBuilder()).append(Character.toLowerCase(s.charAt(0))).append(s.substring(1)).toString();
	}

	// 首字母转大写
	public String toUpperCaseFirstOne(String s) {
		if (Character.isUpperCase(s.charAt(0)))
			return s;
		else
			return (new StringBuilder()).append(Character.toUpperCase(s.charAt(0))).append(s.substring(1)).toString();
	}

	// /**
	// * 导出测试
	// 
	// public static void main(String[] args) throws Throwable {
	//
	// List<String> headerList = Lists.newArrayList();
	// for (int i = 1; i <= 10; i++) {
	// headerList.add("表头"+i);
	// }
	//
	// List<String> dataRowList = Lists.newArrayList();
	// for (int i = 1; i <= headerList.size(); i++) {
	// dataRowList.add("数据"+i);
	// }
	//
	// List<List<String>> dataList = Lists.newArrayList();
	// for (int i = 1; i <=1000000; i++) {
	// dataList.add(dataRowList);
	// }
	//
	// ExportExcel ee = new ExportExcel("表格标题", headerList);
	//
	// for (int i = 0; i < dataList.size(); i++) {
	// Row row = ee.addRow();
	// for (int j = 0; j < dataList.get(i).size(); j++) {
	// ee.addCell(row, j, dataList.get(i).get(j));
	// }
	// }
	//
	// ee.writeFile("target/export.xlsx");
	//
	// ee.dispose();
	//
	// log.debug("Export success.");
	//
	// }

}
*/